Dairy Queen (DQ), Bloomington, Minn., said it is helping to make the longest day of the year the sweetest day of the year.

Through the DQ mobile app, fans may celebrate the first day of summer, June 21, with a free small regular or dipped cone with any purchase. Dip options include Dreamsicle — a seasonal favorite of orange and vanilla flavors with a vibrant crunchy coating — and Chocolate, DQ said. The offer is valid on Friday, June 21 only through the DQ mobile app at participating DQ locations nationwide.

Additionally, fans may enter in-store The hAPPiest Sweeps Ever — a mobile game and sweepstakes giving them the chance to win DQ gift cards and family vacations, including NASCAR VIP Race and Universal Orlando Resort experiences, DQ said.